Seasonal Affective Disorder (SAD)

Seasonal affective disorder (SAD) is a condition in which a person feels depressed at a certain time each year. It most often occurs during the fall and winter months when days are shorter and there is less light. Treatment includes light therapy, counseling, and antidepressant medicines.

By

Healthwise Staff

Primary Medical Reviewer

Kathleen Romito, MD - Family Medicine

Specialist Medical Reviewer

Alfred Lewy, MD, PhD - Psychiatry

Last Revised

March 14, 2013

eMedicineHealth Medical Reference from Healthwise

This information does not replace the advice of a doctor. Healthwise disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.